General Details:

Periods of a year or more when the participant did NOT regularly take CCB medication as part of the Risk Factor Questionnaire for Nonsteroidal Anti-Inflammatory Drugs (NSAIDS) and Calcium Channel Blockers (CCB)

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Were there periods of a year or more when you did NOT regularly take any of the medicines listed in question 1?

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Question Text

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Definition:

Periods of a year or more when the participant did NOT regularly take CCB medication as part of the Risk Factor Questionnaire for Nonsteroidal Anti-Inflammatory Drugs (NSAIDS) and Calcium Channel Blockers (CCB)

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Epi Info: http://wwwn.cdc.gov/epiinfo/index.htm RFQ-U CRFs, Version 1.0 developed by the Epidemiology Working Group of the collaborative centers for PD.